( n. )
The nonmetalliferous mineral or rock material which accompanies the ores in a vein, as quartz, calcite, barite, fluor spar, etc.; -- called also veinstuff.
( n. )
The nonmetalliferous mineral or rock material which accompanies the ores in a vein, as quartz, calcite, barite, fluor spar, etc.; -- called also veinstuff.
Webster's Revised Unabridged English Dictionary. Пересмотренный полный словарь английского языка Webster. 2012